42455151 has 16 divisors (see below), whose sum is σ = 64926720. Its totient is φ = 27389880.

The previous prime is 42455123. The next prime is 42455183. The reversal of 42455151 is 15155424.

It is not a de Polignac number, because 42455151 - 2⁶ = 42455087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24525 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (4057920).

Almost surely, 2^42455151 is an apocalyptic number.

42455151 is a deficient number, since it is larger than the sum of its proper divisors (22471569).

42455151 is a wasteful number, since it uses less digits than its factorization.

42455151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763 (or 50757 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 42455151 is about 6515.7617359753. The cubic root of 42455151 is about 348.8538042254.

The spelling of 42455151 in words is "forty-two million, four hundred fifty-five thousand, one hundred fifty-one".